General Automotive Bulletins

Stanadyne DB2 and DB4 Pump Removal and Installa...

"All Stanadyne DB4 and most DB2 injection pumps will have a retained drive shaft ( the shaft stays in the pump when the pump is removed from engine). Clean the...

Stanadyne DB2 and DB4 Pump Removal and Installa...

"All Stanadyne DB4 and most DB2 injection pumps will have a retained drive shaft ( the shaft stays in the pump when the pump is removed from engine). Clean the...

Instructions for Increasing Fuel Delivery on a ...

This procedure is to be done for testing procedures only. Never alter the calibration of a fuel injection system with verifying the calibration on a certified test bench.

Instructions for Increasing Fuel Delivery on a ...

This procedure is to be done for testing procedures only. Never alter the calibration of a fuel injection system with verifying the calibration on a certified test bench.